var http_request = false;
var naseptavac_value;

function createAjax(){
  if (window.XMLHttpRequest) {
    http_request = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    try {
      http_request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (eror) {
      http_request = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
}
function ajax_go(site,request,onok) {
  if(http_request==false){
    createAjax();
    http_request.onreadystatechange = onok;
    http_request.open('POST', site, true);
    http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    http_request.send(request);
  }
}

function naseptavac_zpracuj() {
  if (http_request.readyState == 4) {
    if (http_request.status == 200) {
      if(http_request.responseText!=''){
        document.getElementById('naseptavac').style.display='';
        document.getElementById('naseptavac').innerHTML=http_request.responseText;
      } else {
        document.getElementById('naseptavac').style.display='none';
      }
      http_request = false;
    }
  }
}

function naseptavac(obj){
  document.getElementById('searchinput').setAttribute("autocomplete", "off");
  naseptavac_value = obj.value;
  setTimeout(
    function(){
      if (naseptavac_value != obj.value) {
			 return false;
		  }
      ajax_go('/naseptavac.php','q='+obj.value+'&sub=',function(){naseptavac_zpracuj();});
    }
  ,250);
}